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Lostsunrise [7]
3 years ago
6

15 POINTS! DUE SOON! Write the series using summation notation. 7 + 10 + 13 + 16 + 19

Mathematics
1 answer:
Colt1911 [192]3 years ago
4 0
Answer to your question is 52
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-<br> I<br> dot<br> Multi-step aquations
BlackZzzverrR [31]

1) a= -1,  2) n=-2

3) x=4,   4) n=0

5) r=1,     6) r=2

7) No\,\,solution,     8) p=-12

9) m=2,    10) a=-3

11) x=4       12) n=-2

Step-by-step explanation:

We need to solve each equation.

1) 6a+5a = -11

Solving:

Adding like terms:

11a = -11

Divide both sides by 11

a= -1

2) -6n-2n=16

Solving:

Adding like terms:

-8n=16

Divide by -8

n=-2

3) 4x+6+3=17

Solving:

Adding like terms:

4x+9=17

Subtract 9 on both sides:

4x=17-9

4x=8

Divide both sides by 4

x=4

4) 0=-5n-2n

Solving:

0=-7n

Divide both side by -7

n=0

5) 6r-1+6r=11

Solving:

12r-1=11

Adding 1 on both sides

12r=12

Divide both sides by 12

r=1

6) r+11+8r=29

Solving:

9r+11=29\\9r=29-11\\9r=18\\r=2

7) -10=-14v+14v

Solving

-10=-14v+14v\\-10\neq 0\\No\,\,solution

8) -10p+9p=12

Solving:

-10p+9p=12\\-p=12\\p=-12

9) 42=8m+13m

Solving:

42=8m+13m\\42=21m\\m=42/21\\m=2

10) a-2+3=-2

Solving:

a-2+3=-2\\a+1=-2\\a=-2-1\\a=-3

11) 18=3(3x-6)

Solving:

18=3(3x-6)\\18=9x-18\\18+18=9x\\36=9x\\x=36/9\\x=4

12) 30=-5(6n+6)

Solving:

30=-5(6n+6)\\30=-30n-30\\30+30=-30n\\60=-30n\\n=60/-30\\n=-2

Keywords: Solving Polynomials

Learn more about solving Polynomials at:

  • brainly.com/question/12700460
  • brainly.com/question/1414350
  • brainly.com/question/4142886

#learnwithBrainly

8 0
3 years ago
Solve the equation by completing the square. Round to the nearest hundredth if necessary.
nikdorinn [45]
This answer would be A hope this helps
6 0
2 years ago
Simplify.<br> 2 × (3-1) + 3<br> 007<br> 20<br> 7 8 a<br> 0 10<br> 011
IgorLugansk [536]

Answer:

7

Step-by-step explanation:

2 x (2) + 3

= 4 + 3

= 7

6 0
3 years ago
On a trip, a family drove an average of 250 mi each day. If the family drove a total of 3,000 mi on their trip, how many days we
kozerog [31]
The family were gone for 12 days
3 0
3 years ago
Read 2 more answers
Please help me with this math
fredd [130]

The part D is the correct one...

8 0
3 years ago
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